Commands - Segger J-Link User Manual

72
3.2.1

Commands

The table below lists the available commands of J-Link Commander. All commands
are listed in alphabetical order within their respective categories. Detailed descrip-
tions of the commands can be found in the sections that follow.
Command (short form)
clrBP
clrWP
device
erase
exec
exit (qc, q)
exitonerror (eoe)
f
go (g)
halt (h)
hwinfo
is
loadfile
log
mem
mem8
mem16
mem32
mem64
mr
ms
power
r
readAP
readDP
regs
rnh
rreg
rx
savebin
setBP
setPC
setWP
sleep
speed
st
step (s)
unlock
verifybin
w1
w2
w4
writeAP
writeDP
wreg
J-Link / J-Trace (UM08001)
CHAPTER 3 J-Link software and documentation package
Basic
Clear breakpoint.
Clear watchpoint.
Selects a device.
Erase internal flash of selected device.
Execute command string.
Closes J-Link Commander.
Commander exits after error.
Prints firmware info.
Starts the CPU core.
Halts the CPU core.
Show hardware info.
Scan chain select register length.
Load data file into target memory.
Enables log to file.
Read memory.
Read 8-bit items.
Read 16-bit items.
Read 32-bit items.
Read 64-bit items.
Measures reaction time of RTCK pin.
Measures length of scan chain.
Switch power supply for target.
Resets and halts the target.
Reads from a CoreSight AP register.
Reads from a CoreSight DP register.
Shows all current register values.
Resets without halting the target.
Shows a specific register value.
Reset target with delay.
Saves target memory into binary file.
Set breakpoint.
Set the PC to specified value.
Set watchpoint.
Waits the given time (in milliseconds).
Set target interface speed.
Shows the current hardware status.
Single step the target chip.
Unlocks a device.
Compares memory with data file.
Write 8-bit items.
Write 16-bit items.
Write 32-bit items.
Writes to a CoreSight AP register.
Writes to a CoreSight DP register.
Write register.
© 2004-2017 SEGGER Microcontroller GmbH & Co. KG
Explanation